diff --git a/framework/qml/src/BackendConnection.cpp b/framework/qml/src/BackendConnection.cpp
index 8838689..981744b 100644
--- a/framework/qml/src/BackendConnection.cpp
+++ b/framework/qml/src/BackendConnection.cpp
@@ -380,6 +380,14 @@ bool BackendConnection::spawnChild(QString* errorOut)
 void BackendConnection::teardownChild()
 {
     if (!m_child) return;
+    // Disconnect *before* terminating: waitForFinished() pumps a local event
+    // loop, so QProcess::finished would fire synchronously inside that wait,
+    // run onChildFinished as the crash-supervisor restart path, and spawn a
+    // brand-new frankenphp child during shutdown — the new QProcess then
+    // gets destroyed mid-spawn during stack unwinding and Qt warns
+    // "Destroyed while process is still running". Severing signals first
+    // turns terminate() into the synchronous reap it should always have been.
+    disconnect(m_child, nullptr, this, nullptr);
     if (m_child->state() != QProcess::NotRunning) {
         m_child->terminate();
         if (!m_child->waitForFinished(2000)) {
@@ -387,7 +395,6 @@ void BackendConnection::teardownChild()
             m_child->waitForFinished(1000);
         }
     }
-    disconnect(m_child, nullptr, this, nullptr);
     m_child->deleteLater();
     m_child = nullptr;
     m_childLogBuffer.clear();